细节
A SET OF ALEXANDRITE AND DIAMOND JEWELLERY
COMPRISING A RING, SET WITH AN OVAL-SHAPED ALEXANDRITE WEIGHING APPROXIMATELY 7.68 CARATS, WITHIN A PEAR-SHAPED DIAMOND RADIATING SURROUND; AND A PAIR OF EARRINGS, EACH SET WITH AN OVAL-SHAPED ALEXANDRITE WEIGHING APPROXIMATELY 4.67 AND 4.38 CARATS, WITHIN A VARI-CUT DIAMOND SURROUND, MOUNTED IN PLATINUM, RING SIZE 6½, EAR CLIPS 2.4 CM LONG
ACCOMPANIED BY REPORT NO. 0807093 DATED 15 JULY 2008 FROM THE GüBELIN GEMMOLOGICAL LABORATORY STATING THAT THE 7.68 CARAT ALEXANDRITE IS NATURAL CHRYSOBERYL OF BRAZIL ORIGIN, COLOUR CHANGE IN DAYLIGHT: BLUISH-GREEN, IN INCANDESCENT LIGHT: PURPLE, WITH ADDITIONAL COMMENT STATING THAT THE GEMSTONE DISPLAYS PRONOUNCED COLOUR-CHANGE; ALSO ACCOMPANIED BY AN APPENDIX STATING THAT THE ALEXANDRITE POSSESSES A VERY HIGH DEGREE OF TRANSPARENCY, COMBINED WITH A VERY STRONG COLOUR-CHANGE EFFECT, SUCH COMBINATION OF THIS SIZE IS RARE
TWO REPORTS NOS. 0807094 AND 0807092 DATED 15 JULY 2008 FROM THE GüBELIN GEMMOLOGICAL LABORATORY STATING THAT THE TWO ALEXANDRITES WEIGHING 4.67 AND 4.38 CARAT ARE NATURAL CHRYSOBERYLS OF BRAZIL ORIGIN, COLOUR CHANGE IN DAYLIGHT: PURPLISH-GREEN/BLUISH-GREEN, IN INCANDESCENT LIGHT: PURPLE/REDDISH-PURPLE, WITH ADDITIONAL COMMENT STATING THAT THE 4.38 CARAT GEMSTONE DISPLAYS A PRONOUNCED COLOUR-CHANGE
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